2017 REI Coop DRT 2.1 Base
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Suspension
- 120mm fork travel, 25% sag
- Features
- Disc brake
Geometry
S | M | L | XL | |
Stack | 590mm | 590mm | 613mm | 632mm |
Reach | 416mm | 442mm | 454mm | 468mm |
Stack to Reach Ratio | 1.42:1 | 1.33:1 | 1.35:1 | 1.35:1 |
Seat Tube Length, C-T | 375mm | 410mm | 445mm | 480mm |
Top Tube Length, Effective/Horizontal HT Top | 585mm | 605mm | 625mm | 645mm |
Top Tube Slope | 23.8deg | 19.4deg | 17.8deg | 15.9deg |
Head Tube Angle | 68deg | 68deg | 68deg | 68deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 74deg |
Head Tube Length | 100mm | 100mm | 125mm | 145mm |
Bottom Bracket Height | — | — | — | — |
Chainstay Length | 435mm | 435mm | 435mm | 435mm |
Wheelbase | 1115mm | 1140mm | 1162mm | 1183mm |
Fork Offset/Rake | 46mm | 46mm | 46mm | 46mm |
Trail | 97.1mm very high | 97.1mm very high | 97.1mm very high | 97.1mm very high |
Mechanical Trail | 90mm | 90mm | 90mm | 90mm |
Wheel Flop | 33.7mm | 33.7mm | 33.7mm | 33.7mm |
Standover Height | 712mm | 732mm | 758mm | 782mm |
Base Build
S | M | L | XL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.8in | 2.8in | 2.8in | 2.8in |
Tire Outer Diameter | 726.2mm | 726.2mm | 726.2mm | 726.2mm |
Bike Length with Tires | 1841.2mm | 1866.2mm | 1888.2mm | 1909.2mm |
Published Sizing Recommendations
Height | 4 ft 5 in to | 4 ft 8 in to | 4 ft 11 in to | 5 ft 0 in to |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail Trail MTBSource:https://www.rei.com/product/106335/co-op-cycles-drt-21-bike